基于改进区间算法的发酵过程优化控制.研究

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1、万方数据东北大学硕士学位论文AbstractResearchonOptimalControlforFermentationProcessBasedonImprovedIntervalAlgorithmAbstractIntervaloptimizationalgorithmwimintervalvariablesinsteadofpointvariablesisadeterministicglobalmethod．Byusingintervaloptimizationalgorithmtooptimizeandcontrolindustr

2、ialprocess，thenoiseanddisturbanceCanbepreventedfrominfluencingsystem．Toavoidthelostofoptimalintervalcausedbyparticleswarmwhichworksasintervalacceleratedtools，enhancethescopeofapplicationandaccuracyofintervaloptimization，theexistinginterval-particleswarmwasmodifiedinthispa

3、per．Onthebasisofit，themodifiedalgorithmWasappliedtosingleobjectiveandmulti-objectiveoptimizationofglutamicacidfermentation．Thisthesisincludesthefollowingaspectsmainly：Developmentprocess，basicconceptsandideaoftraditionalintervaloptimizationalgorithmwereintroduced．Basicproc

4、essoftraditionalintervaloptimizationalgorithmwasillustratedindetail．Advantagesanddisadvantagesofinterval·particleswarmwereanalyzed．Onaccountoftheshortcomings，interval-particleswarmoptimizationalgorithmwasimprovedinthreeaspectsinordertoenhancethequalityoftheoptimalinterval

5、．Threediversiformfunctionswereusedtodetermineitsreliability．ThemodifiedintervaloptimizationalgorithmWasappliedtooptimizeglutamicacidfermentationprocess．NeuralnetworkWasusedtofoundanintervalmodel．Rollingoptimizationideawasusedandtheacidproductionrateoffermentationprocesswa

6、stakenastheoptimizationtargettooptimizesingleoperatingvariables．Attheendofthisthesis，researchWassummarized，andimprovingdirectionofintervalalgorithmandapplicationincontroltheorywaregiven．Thentheintervaloptimizationcurvesofacidproductionrate，conversionrateandtheoperatingvar

7、iablesineachphaseweregotbyoptimizingmulti-operatingvariableswithacidyieldandconversionrateastarget．Onthisbasis，improvedalgorithmwasappliedtothemulti—objectiveoptimizationofglutamicacidtooptimizemultipleoperatingvariablessimultaneouslywithacidyieldandconversionrateasthetar

8、get．Accordingtotheactualsituation，thewholefermentationprocess_。——III。_——万方数据东北大学硕士学位论文Abstractca